"I advised you to dispose of your books, and advise it still. Be sure to do it, it will give you peace of mind.
But at the same time be careful not to become narrow-minded, or afraid of reading what is well written, quite the contrary, such writings are a source of comfort in life."
I did see some inexpensive copies at Better World Books, fwiw, including at least one for $3.98 (that includes postage). If you want to check it out, there's a link to that site on the "affiliates" page: